adding QTI migration tool

vendor/QTIMigrationTool/.gitignore

@@ -0,0 +1,8 @@
+bb8/*
+assessments/*
+test/*
+.idea/*
+.project
+.pydevproject
+*.pyc
+*.iml

vendor/QTIMigrationTool/LICENSE.txt

@@ -0,0 +1,29 @@
+Copyright (c) 2004-2008, University of Cambridge.
+GUI Code Copyright (c) 2004-2008, Pierre Gorissen
+
+All rights reserved.
+
+Redistribution and use of this software in source and binary forms
+(where applicable), with or without modification, are permitted
+provided that the following conditions are met:
+
+ *  Redistributions of source code must retain the above copyright
+    notice, this list of conditions, and the following disclaimer.
+
+ *  Redistributions in binary form must reproduce the above
+    copyright notice, this list of conditions, and the following
+    disclaimer in the documentation and/or other materials provided with
+    the distribution.
+
+ *  Neither the name of the University of Cambridge, nor the names of
+    any other contributors to the software, may be used to endorse or
+    promote products derived from this software without specific prior
+    written permission.
+
+THIS SOFTWARE IS PROVIDED ''AS IS'', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.